<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>demo9-tree-shaking</title>
  <link rel="stylesheet" href="dist/app.min.css">
</head>
<body>
  <div id="app">
    <div class="bigBox"></div>
  </div>
  
  <script src="dist/app.bundle.js"></script>
</body>
</html>